沉默是快乐的最佳使者：如果我能说出多少，我就不会那么快乐。
Silence is the perfectest herald of joy: I were but little happy, if I could say how much.
Every barrel of oil we produce must be the most responsibly produced barrel possible.
Psychology must bridge the gap between theory and practical life.
"The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all."
The true measure of success is not just profit, but the impact you leave on people and the environment.